I Tested And Reviewed 10 Best Lock For Sliding Glass Door (2023)

After reading several reviews, I was initially concerned about the quality of this lock set. However, upon receiving it, I found that all the parts were of heavy-duty construction, similar to what you would find at a big box store. I was pleasantly surprised to discover that the Amazon kit included a lock set, which was not the case with the kits available at my local store. Additionally, the kit came with three different lengths of bolts, eliminating the need for cutting and deburring machine screws.

The overall feel of the set is solid, and I appreciate that it includes photos of the lock set for those who may need to purchase a replacement for rekeying purposes. Some reviews mentioned that the installation process can be a bit tricky, particularly when it comes to ensuring that you don't overcut the latch and lock stem. However, I found a helpful workaround by sandwiching the outside lock handle and inside latch stem just in front of the lock. By doing this, I was able to easily see where they aligned with the center of the lock. I simply scribed a line on both stems down the center, ensuring that I would not over or undercut.

The handle/lock set fit my door perfectly, and I did not have to change out the latch part. Once installed, it operated smoothly and had a sturdy feel to it. It is worth noting that the installation process does require some cutting of the flat, metal pieces that engage with the latch assembly. These pieces are initially too long to accommodate thicker doors, so they will need to be cut regardless of the type of door you have. To ensure accurate cutting, I put the lever on one side and the lock set on the outside as they would be installed. I marked both of them where they intersected in the middle, allowing me to cut them so they both engaged the latch assembly correctly. It is important to cut them to the right length; if they are too short, they will not engage properly, and if they are too long, they will not fully tighten down or may bind against each other.

I used a dremel tool to cut the metal pieces, as others have suggested. However, if you don't have a dremel, a pair of clamping pliers and a hack saw will also work, although it may be more challenging to hold the pieces while cutting. After cutting, I recommend filing off any burrs to ensure a smooth finish.

Once installed, the lock set worked flawlessly. The key is smooth to use, and the latch engagement is seamless. I have been using it for a couple of weeks now, and I have not encountered any issues. If anything changes, I will be sure to update my review.

I recently purchased these sliding door locks to secure my sliding doors, and I must say, they work great. Unlike a previous child lock I had purchased, these locks are much sturdier and have successfully prevented my grandchild from opening the sliding door.

One of the reasons I needed a reliable lock is because I have a 5-year-old child on the autism spectrum who managed to abscond from the house recently. With his increased abilities, I needed to ensure that the house is properly secured. These sliding door locks have proven to be the perfect solution. They are simple yet effective, attaching to the glass using a strong adhesive that can be removed with heat if needed.

I appreciate the fact that these locks don't have any finicky parts or spring releases. You simply fold up the wings to create an obstruction that prevents the sliding portion of the door from moving past. I have mounted a single lock near the top of the sliding door, as close to the slider as possible, to minimize momentum and make it more difficult to break or tear off the adhesive.

The locks feel secure when using moderate adult strength, and even my 8-year-old was unable to open the door. I also like that they are translucent, minimizing their appearance when looking out through the glass. Overall, these locks provide an inexpensive way to secure a sliding door, and I highly recommend them.

In fact, I've also used these locks on my windows, and they work just as well. I have them installed on every sliding door and window in my house.

I specifically needed additional security for my kitchen sliding glass door, as it leads to our backyard with an in-ground pool. I wanted to ensure that the kids stay in the house and don't unintentionally end up in the backyard. These locks have met my expectations perfectly. They are strong and reliable.

I followed the instructions provided, cleaning the window before placing the lock and waiting 48 hours before using it. The pack comes with four locks, so you can share them with family members if you don't need all four. The quality of these locks is impressive, and they are definitely worth the money.

The House Guard lock kit makes replacing your old handle and lock a breeze. Unlike other kits, this one is specifically made for your door, so you won't have to worry about drilling new holes or aligning the hardware. It's important to choose a lock that matches your door, as trying to install one that doesn't can be a hassle and not worth the effort.

To start, measure the thickness of your door, as this kit is suitable for door thicknesses ranging from 1.25" to 2.25". Additionally, measure the distance between the two mounting screws on your existing handle. The House Guard kit measures 3-15/16", so it's crucial to ensure that the measurements match. If they don't, it's recommended to find a handle that does match your door.

Another important factor to consider is the Maltese internal locking mechanism. This kit features a single-point lock, but it's essential to check if your existing mechanism matches. If they're not the same, it's advised to find another handle that aligns with your current locking mechanism.

Installing the House Guard lock is a breeze. It's sturdy, locks and unlocks perfectly, and fits perfectly on doors that are difficult to find replacements for. There's no need to change the inside hardware, making the installation process even easier. The handle is also larger than the original, making it more convenient to open and close the door.

The quality of the handle is commendable. However, adjusting the length of the little bars can be a bit tricky. It's crucial to get the length just right, so they meet in the middle of the latch. If they're too long, the key won't turn, and if they're too short, nothing will happen. It may take a few attempts and some trips to the grinder, but once you get it right, you'll be satisfied with the results.

I recently purchased the Sliding Door Window Lock Security with the hopes of enhancing the security of my sliding windows. While I appreciate the concept and intentions behind this product, I must admit that it did not fully meet my expectations due to compatibility issues. Thus, I am giving it a three-star rating.

First and foremost, the concept of the Sliding Door Window Lock Security is commendable. Adding an extra layer of security to sliding windows is important and necessary for many homeowners, including myself. I appreciate the effort to provide a solution that addresses this specific need.

However, I encountered challenges with the compatibility of this product. The lock's design and dimensions did not align well with the particular sliding windows in my home. Despite my attempts to adjust or modify the lock, it simply did not fit securely and effectively on my windows. This limited compatibility issue was disappointing and prevented me from fully utilizing the product as intended.

On a positive note, the build quality of the Sliding Door Window Lock Security is decent. The materials used seem sturdy and durable, providing a sense of reliability. The lock mechanism itself appears robust and capable of providing an additional level of security for those whose windows are compatible with the product.

Additionally, the installation process was relatively simple and straightforward. The included instructions were clear and easy to follow. It did not require any special tools or expertise, which is a plus for those who prefer a hassle-free installation experience.

Although I cannot personally attest to its effectiveness due to compatibility issues, I can see the potential value this product could provide to others with compatible sliding windows. It could serve as a viable option for increasing security and peace of mind in those cases.

I recently purchased this sliding door lock and I must say, I am thoroughly impressed. The quality of the product is top-notch, and it has proven to be incredibly effective in keeping my children safe.

One of the things I love about this lock is its versatility. I was able to install it in a different configuration, inside the door track, which worked perfectly for my specific needs. The installation process was a breeze, and I found it very easy to use.

The main reason I purchased this lock was to prevent my kids from opening the back sliding door and potentially wandering off to the pool area. As a parent, safety is my top priority, and this lock has provided me with the peace of mind I needed. It has been weeks since my autistic son has been able to get out, thanks to this reliable lock.

I also want to mention that this lock can be installed in various ways, either at the top or bottom of the door, to either the opening or center edge. It does require a drill with a drill bit for pilot holes, but the process is fairly straightforward.

In terms of durability, this lock has exceeded my expectations. I have been using it for over a year now, and it is still holding up very well. We have three dogs that we let in and out multiple times a day, and we lock and unlock this device each time without any issues.

This lock and handle set is incredibly durable and well-made, featuring steel handles and a mortise lock. The overall quality is excellent, ensuring long-lasting use.

However, one minor drawback is that the directions could be more informative, particularly regarding the thumb switch part. The instructions lacked clarity in explaining its purpose and installation process.

On a positive note, the lock mechanism and handles are incredibly easy to install. Once installed, the locking system provides a high level of security, much to the satisfaction of my wife. As they say, a happy wife means a happy life!

I was pleasantly surprised by how easy it was to change this lock and handle set. The solid construction and overall appearance are impressive, and I regret waiting so long to make the upgrade.

Furthermore, the installation process was a breeze, and the set feels exceptionally sturdy. In the past, we've had handles with wooden parts that often broke over time due to repeated use. However, this all-metal version appears much stronger and more durable, promising a longer lifespan.

I purchased this product to enhance the security of our doggie door, and it has proven to be a great solution. While I was initially concerned about the possibility of someone being able to remove the cover and access our home, this product has provided peace of mind. The door cover cannot be lifted with the pin inserted, ensuring that unwanted intruders cannot gain entry easily.

Not only is this product effective, but it is also an affordable option for increasing the security of your sliding doors. It does require drilling a hole through the doors for installation, but the process is straightforward and worth the added security it provides. As frequent travelers, we find this to be an excellent and inexpensive way to secure our sliding doors while we are away.

Despite its small size and low cost, this product performs exceptionally well. By installing it high enough on our sliding doors, we can prevent our little kids from accessing the pool area, ensuring their safety. It is a simple yet effective measure that significantly increases the security of our home.

I recently had to replace the original pin on my sliding glass door, which had lasted for 40 years. This product served as a suitable replacement, and I opted not to use the circular part as there was already a hole drilled into the metal pieces of my door frame. It was a seamless transition, and I am pleased with its performance.

This product has received mixed reviews, but it ultimately proves to be effective and reliable with a few modifications. The included screws are often criticized for being of poor quality, so it is advisable to purchase new screws to ensure a secure installation. Users have found success using #6 x 1/2 screws on the door and #6 x 3/4 screws into the wood. However, it is worth noting that the 3/4 screws may require some resistance when inserting into the door, so using a slightly smaller size could be a safer option.

Proper measurement and alignment are crucial during installation. It is recommended to install the latch on the door first to avoid any unnecessary mistakes. Some users have encountered issues when attempting to line it up by hand, resulting in being too close to the door jamb. In such cases, re-drilling the holes slightly off from the edge and below can rectify the problem. It is advisable to have a second opinion from a significant other, roommate, or anyone else present to ensure accurate alignment. The latch should open and shut easily during the alignment process. If it feels tight, there may be an issue that needs to be addressed.

Once installed correctly, this latch proves to be strong, reliable, and resistant to tampering. It provides peace of mind, particularly for parents with young children who are escape artists. One reviewer shares their experience of having a 2-year-old who could easily bypass child-proofed door knobs and locks. This latch has finally provided them with 100% peace of mind, ensuring their child's safety and preventing any potential escapes. The reviewer humorously adds that they now have confidence in this latch's durability until their child reaches their teenage years.

Furthermore, this latch is not limited to just patio doors. It can also be used for inner locks on RVs, making it a suitable choice for van life enthusiasts. Its robust design ensures reliable security, and the latch's appearance is aesthetically pleasing, blending well with the overall look of the door.

I recently installed this sliding door lock on my back patio and I am extremely satisfied with it. The installation process was quick and easy, taking only about 10 minutes to complete. Once the lock is engaged, it provides a strong and secure barrier, making it very difficult for the door to be forced open. I specifically installed it high on the door to prevent my 14-month-old baby from being able to open the door and potentially wander outside. This lock has proven to be the perfect solution for keeping my little one safe.

While I did encounter a minor issue with the lock being too short to reach from the door to the door jam, it was easily resolved by using a small piece of wood and longer screws to attach it to the door jam. Overall, this lock has greatly improved the security of my sliding door, and I feel much more at ease knowing that it provides an extra layer of protection.

Additionally, I also used this lock on a swinging screen door with an aluminum frame. The previous thumb latch on the door was practically useless, and I was concerned about the ease with which someone could enter my home through the screen door. However, this lock fits perfectly in the corner between the jamb and the door, effectively preventing unauthorized access. Even with just the screen installed during the summer, this lock has deterred potential thieves from impulsively trying to enter my home while I am distracted. Its discreet design makes it virtually invisible from the outside, confusing any opportunistic thief who may attempt to gain entry.

After posting my experience with this lock, I decided to make some adjustments. I changed the position so that the larger, heavier part with the J-hook is on the jamb, while the lighter swinging part moves with the door. This configuration has further enhanced the functionality and effectiveness of the lock. Additionally, I replaced the supplied screws with self-tapping screws suitable for metal, as the provided screws were of subpar quality. This simple change made the installation process much smoother.

My wife was initially concerned about the safety of our patio door, so I conducted thorough research to find the best option available. This sliding door lock had outstanding reviews, so I purchased one. My wife promptly installed it and was pleased with its ease of installation. She was so satisfied with its performance that she requested I order a second one for another door in our home.

After hearing about some unfortunate incidents with shattered sliding glass doors during installation, my husband and I were a bit apprehensive about this lock. We even jokingly referred to it as the "scary lock" in our household. However, we decided to give it a shot and watched numerous installation videos on YouTube. Here are some tips we discovered that helped us successfully install the lock without any issues:

1. Position the lock as close to the non-glass edge of the door as possible when attaching it to the actual door. This will ensure that the screws do not go through and potentially damage the glass. Take a careful look at your door from different angles and if you have any doubts about hitting the glass, it's better to choose a different lock.

2. When attaching the lock receiver to the doorframe, be mindful that the provided screws are quite long and may end up screwing your door shut if you're not careful. To avoid this, you have a couple of options. If you're installing the lock/receiver at the top of the door, you may be able to place the screws in the clearance space used by the installers to get the door into the track. This not only allows the door to slide smoothly without hitting the screws but also enhances security by making it difficult to lift the door out of the track. Alternatively, if you're installing the lock/receiver at the bottom of the door and the screws are too long, you can easily replace them with shorter screws that cost less than 50 cents.

3. Before drilling any holes, mark the exact spots with a pen and double-check that you won't hit any glass. This step ensures precision and prevents any accidental damage.

4. Prior to inserting the screws, use a drill bit to create small guidance holes. This not only makes the screw installation easier but also allows you to proceed slowly and ensure once again that you won't hit the glass.

By following these tips, our installation process only took around 10 minutes. We are so satisfied with the results that we plan to purchase similar locks for our downstairs windows as well.